Research progress on anti-ultraviolet multifunctional coating modified aramid fiber
The chemical structure and ultraviolet(UV)aging characteristics and mechanism of aramid fiber were introduced.And the research progress of anti-UV multifunctional coating modified aramid fiber was reviewed.The surface coating modified of aramid fibers can be mainly divided into anti-UV coating,conductive coating,antibacterial coating,flame retardant coating,hy-drophobic coating and multifunctional coating modifications according to their different functions.The varieties of coating agents include inorganic nanocoating,organic polymer coating and organic-inorganic nano-composite coating.Based on the different ap-plication scenarios and requirements of aramid fiber,the advantages and existing problems of the functional coating modification methods were summarized.It was pointed out that the research trend of anti-UV coatings for aramid fibers should be focused on the characteristics of multifunctionality,high durability,high efficiency,energy saving and environmental friendliness.
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